Steam traps Swivel connectors and traps
8
Optional extras Integral sensor type SSL1 (steam only) or WLSL1 (for waterlogging) for use with R1C or WLSL1 with DIODE for use with RI6C are available as optional extras, to enable operational monitoring of the steam trap. Please note that the optional Spiratec SSL1 and WLSL1 sensors must not be fitted when the STS17.2 is installed in a vertical application . BDV1 blowdown valve is also available for cleaning the strainer during operation. Care should be taken when using the BDV1 blowdown valve as the discharge may be hot. Please note that a BDV1 cannot be used when a Spiratec sensor has been chosen to be part of the unit. Retrofit double isolation valve and spool piece to convert a single upstream isolation version to double isolation. Insulation jacket is available to reduce heat loss and energy wastage. See separate literature.
Pressure / temperature limits
Pressure psi g
0
145
290
435
580
446 392 302 212 122
A
B
Steam saturation curve
32 14
D
C
Pressure bar g
The product must not be used in this region. A - B Screwed, socket weld, butt weld and flanged ANSI 300.
A - C Flanged EN 1092 PN40. A - D Flanged ASME Class 150.
Body design conditions
PN40
PMA Maximum allowable pressure
40 bar g @ 120 °C
580 psi g @ 248 °F
TMA Maximum allowable temperature
230 °C @ 10 bar g
446 °F @ 145 psi g
Minimum allowable temperature
-10 °C
14 °F
ANSI 150
11.3 bar g
164 psi g
Maximum operating pressure for saturated steam service
PMO
8.9 99
All other connections
17.5 bar g
254 psi g
TMO Maximum operating temperature
230 °C @ 10 bar g
446 °F @ 145 psi g
Minimum operating temperature
-10 °C
14 °F
Note: For lower operating temperatures consult Spirax Sarco Product is safe for use under full vacuum conditions Designed for a maximum cold hydraulic test pressure of:
60 bar g
870 psi g
TI-P128-22 CMGT Issue 14
Page 5 of 15
STS17.2 Stainless Steel Compact Pipeline Connector Steam Trapping Station
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